Evaluate the following two statements : determine the best option indicating each as true or false I- When both the participant and the researcher know the items being tested it is a non-blind studyII- Measurable or observable effects that is not attributable to experimental treatment is a placebo effect

A liquid has a pH of 6 and an additional solution is added which changes the pH to 2, what has occurred ?

“ Cholesterol ” is what type of macromolecule ?

Consider the following: Monounsaturated fats (triglycerides) have one C-C double bond while polyunsaturated fats (triglycerides) have many C-C double bonds.

____ is a fatty molecule made by alveolar cells to reduce surface tension and prevent alveolar collapse between breaths.

The flap of elastic cartilage that protects food from entering the larynx when swallowing is the ____.

Using Figure 13.1, identify the following: The diaphragm muscle is indicated by ____.

Folds of mucous membrane called ____ vibrate to provide speech.

Air flowing out of the lungs is known as ____.

Using Figure 13.1, identify the following: The larynx is indicated by ____.